body{
    width: 1100px;
    margin: auto;
    font-family: "lisu";
    font-size: large;
}
a{
    text-decoration: none;
}
.head{
    width: 1000px;
    height: 100px;
    margin: auto;
    border-style: solid;
    border-color: turquoise;
    border-radius: 20px;
}

.header{
    height: 60px;
    width: 500px;
    margin: auto;
    background-image: url(../images/logo3.png);
    background-position: left top;
    background-repeat: no-repeat;
    padding-top: 20px;
}

.header a{
    float: right;
}
.header>.shousuo{
    width: 300px;
    height: 32px;
    margin: auto auto;
    padding-top: 8px;
    border-style: solid;
    border-width: 2px;
    border-color: skyblue;
    border-radius: 7px;
}
.header input{
    border: none; 
    outline: none;
    width: 250px;
    height: 20px;
    font-size: 15px;
}
.biaoti{
    width: 500px;
    height: 10px;
    margin: auto;
    text-align: center;
    font-size: x-large;
    line-height: 10px;
}
.biaotilan{
    width: 1000px;
    height: 50px;
    margin: auto;

}
.biaotilan a{
    display: inline-block;
    width: 240px;
    height: 50px;
    margin: 0;
    line-height: 50px;
    text-align: center;
    background-color: ghostwhite;
    color: black;
}
.biaotilan a:hover{
    color: white;
    background-color: silver;
}
.content{
    border-style: solid;
    border-color: skyblue;
}
h1{
    text-align: center;
}
p{
    border-bottom-style: dotted;
    border-color: skyblue;
}